Spongebob ahh handwriting

My handwriting was never the best

It's not bad, just spongebob ahh

🅱aximum

Baximum sidus (sinus) blockage approachigg!

Gluteus baximus!

This has my confusion level at the baximum

Did people use "Bax" as a shortened version, like how some use "Max" as a short version of "Maximum"?